// Shared data structures
export struct KeycapData {
    x: length,
    y: length,
    w: length,
    h: length,
    rotation: float,
    rotation-cx: length,
    rotation-cy: length,
    label: string,
    sublabel: string,
    keycode: int,
    color: color,
    heat: float,  // 0.0 = cold, 1.0 = hottest
    selected: bool,
    index: int,
}

export struct LayerInfo {
    index: int,
    name: string,
    active: bool,
}

export struct PortInfo {
    name: string,
    path: string,
}

export enum ConnectionState { disconnected, connecting, connected }
export enum ActiveTab { keymap, advanced, macros, stats, settings }

// Global singletons for Rust<->Slint bridge
export global AppState {
    in-out property <ConnectionState> connection: ConnectionState.disconnected;
    in-out property <ActiveTab> active-tab: ActiveTab.keymap;
    callback tab-changed(int);
    in-out property <string> status-text: "Disconnected";
    in-out property <bool> spinner-visible: false;
    in-out property <string> firmware-version: "";
    in-out property <int> wpm: 0;
}

export global ConnectionBridge {
    in property <[PortInfo]> ports;
    in-out property <string> selected-port: "";
    callback connect();
    callback disconnect();
    callback refresh-ports();
}

export global KeymapBridge {
    in property <[KeycapData]> keycaps;
    in property <[LayerInfo]> layers;
    in property <length> content-width: 860px;
    in property <length> content-height: 360px;
    in-out property <int> selected-key-index: -1;
    in-out property <int> active-layer: 0;
    in-out property <string> selected-key-label: "";
    in-out property <bool> heatmap-enabled: false;
    in-out property <bool> key-selector-open: false;
    // Target for key selector: "keymap", "combo-result", "ko-trigger", "ko-result", "leader-result"
    in-out property <string> selector-target: "keymap";
    callback select-key(int);
    callback switch-layer(int);
    callback change-key(int, int);
    callback toggle-heatmap();
    callback rename-layer(int, string); // layer-index, new-name
}

// ---- Settings ----

export global SettingsBridge {
    in property <[string]> available-layouts;
    in-out property <int> selected-layout-index: 0;
    callback change-layout(int);
    // OTA
    in-out property <string> ota-path: "";
    in property <float> ota-progress: 0;
    in property <string> ota-status: "";
    in property <bool> ota-flashing: false;
    callback ota-browse();
    callback ota-start();
    // Config import/export
    in property <string> config-status: "";
    in property <bool> config-busy: false;
    in property <float> config-progress: 0;
    callback config-export();
    callback config-import();
}

// ---- Stats ----

export struct HandBalanceData {
    left-pct: float,
    right-pct: float,
    total: int,
}

export struct FingerLoadData {
    name: string,
    pct: float,
    count: int,
}

export struct RowUsageData {
    name: string,
    pct: float,
    count: int,
}

export struct TopKeyData {
    name: string,
    finger: string,
    count: int,
    pct: float,
}

export struct BigramData {
    alt-hand-pct: float,
    same-hand-pct: float,
    sfb-pct: float,
    total: int,
}

export global StatsBridge {
    in property <HandBalanceData> hand-balance;
    in property <[FingerLoadData]> finger-load;
    in property <[RowUsageData]> row-usage;
    in property <[TopKeyData]> top-keys;
    in property <[string]> dead-keys;
    in property <int> total-presses;
    in property <BigramData> bigrams;
    callback refresh-stats();
}

// ---- Advanced ----

export struct TapDanceAction {
    name: string,
    code: int,
}

export struct TapDanceData {
    index: int,
    actions: [TapDanceAction],
}

export struct ComboData {
    index: int,
    key1: string,
    key2: string,
    result: string,
}

export struct LeaderData {
    index: int,
    sequence: string,
    result: string,
}

export struct KeyOverrideData {
    index: int,
    trigger: string,
    result: string,
}

export global AdvancedBridge {
    in property <[TapDanceData]> tap-dances;
    in property <[ComboData]> combos;
    in property <[LeaderData]> leaders;
    in property <[KeyOverrideData]> key-overrides;
    in-out property <string> bt-status: "";
    in-out property <int> tri-l1-idx: 1;
    in-out property <int> tri-l2-idx: 2;
    in-out property <int> tri-l3-idx: 3;
    // Combo creation: physical key positions
    in-out property <int> new-combo-r1: 0;
    in-out property <int> new-combo-c1: 0;
    in-out property <string> new-combo-key1-name: "Pick...";
    in-out property <int> new-combo-r2: 0;
    in-out property <int> new-combo-c2: 0;
    in-out property <string> new-combo-key2-name: "Pick...";
    in-out property <int> new-combo-result-code: 0;
    in-out property <string> new-combo-result-name: "Pick...";
    // KO creation: keycodes for trigger and result
    in-out property <int> new-ko-trigger-code: 0;
    in-out property <string> new-ko-trigger-name: "Pick...";
    in-out property <bool> new-ko-trig-ctrl: false;
    in-out property <bool> new-ko-trig-shift: false;
    in-out property <bool> new-ko-trig-alt: false;
    in-out property <int> new-ko-result-code: 0;
    in-out property <string> new-ko-result-name: "Pick...";
    in-out property <bool> new-ko-res-ctrl: false;
    in-out property <bool> new-ko-res-shift: false;
    in-out property <bool> new-ko-res-alt: false;
    // Leader creation
    in-out property <int> new-leader-seq0-code: 0;
    in-out property <string> new-leader-seq0-name: "";
    in-out property <int> new-leader-seq1-code: 0;
    in-out property <string> new-leader-seq1-name: "";
    in-out property <int> new-leader-seq2-code: 0;
    in-out property <string> new-leader-seq2-name: "";
    in-out property <int> new-leader-seq3-code: 0;
    in-out property <string> new-leader-seq3-name: "";
    in-out property <int> new-leader-seq-count: 0;
    in-out property <int> new-leader-result-code: 0;
    in-out property <string> new-leader-result-name: "Pick...";
    in-out property <int> new-leader-mod-idx: 0;
    // TD editing: stores which TD slot+action is being edited
    in-out property <int> editing-td-index: -1;
    in-out property <int> editing-td-slot: -1;  // 0-3 = which action
    callback save-td(int, int, int, int, int); // index, a1, a2, a3, a4 (keycodes)
    callback edit-td-action(int, int); // td_index, action_slot -> opens popup
    callback refresh-advanced();
    callback delete-combo(int);
    callback delete-leader(int);
    callback delete-ko(int);
    callback set-trilayer(int, int, int);
    callback bt-switch(int);
    callback create-combo(); // reads r1,c1,r2,c2,result from properties
    callback create-ko(); // reads all fields from properties
    callback create-leader(int, int); // result_code, result_mod_idx (sequence comes from seq0-3 properties)
    // TAMA
    in property <string> tama-status: "";
    callback tama-action(string); // "feed", "play", "sleep", "meds", "toggle"
    // Autoshift
    in property <string> autoshift-status: "";
    callback toggle-autoshift();
}

// ---- Macros ----

export struct MacroData {
    slot: int,
    name: string,
    steps: string,
}

export struct MacroStepDisplay {
    label: string,  // e.g. "A", "T 100ms"
    is-delay: bool,
}

export global MacroBridge {
    in property <[MacroData]> macros;
    in-out property <int> new-slot-idx: 0;
    in-out property <string> new-name: "";
    // Visual step builder
    in property <[MacroStepDisplay]> new-steps;
    in-out property <string> new-steps-text: ""; // built text for display
    callback refresh-macros();
    callback save-macro();    // reads slot, name, steps from properties
    callback delete-macro(int);
    callback add-delay-step(int); // delay in ms (50, 100, 200, 500)
    callback add-shortcut(string); // e.g. "ctrl+c", "ctrl+shift+z"
    callback remove-last-step();
    callback clear-steps();
}

// ---- OTA / Flasher ----

export global FlasherBridge {
    in property <[string]> prog-ports;
    in-out property <string> selected-prog-port: "";
    in-out property <string> firmware-path: "";
    in-out property <int> flash-offset-index: 1; // 0=full(0x0), 1=factory(0x20000), 2=ota_0(0x220000)
    in property <float> flash-progress: 0;
    in property <string> flash-status: "";
    in property <bool> flashing: false;
    callback refresh-prog-ports();
    callback browse-firmware();
    callback flash();
}

// ---- Layout Preview ----

export global LayoutBridge {
    in property <[KeycapData]> keycaps;
    in property <length> content-width: 860px;
    in property <length> content-height: 360px;
    in property <string> status: "";
    in property <string> json-text: "";
    in-out property <string> file-path: "";
    in-out property <bool> auto-refresh: false;
    callback load-from-file();
    callback load-from-keyboard();
    callback load-json(string);
    callback export-json();
}

// ---- Matrix Test ----

export global ToolsBridge {
    in-out property <bool> matrix-test-active: false;
    in property <string> matrix-test-status: "";
    // Keycap model with live press state (reuses KeycapData, color = press state)
    in property <[KeycapData]> matrix-keycaps;
    in property <length> matrix-content-width: 860px;
    in property <length> matrix-content-height: 360px;
    callback toggle-matrix-test();
}

// ---- Key Selector ----

export struct KeyEntry {
    name: string,
    code: int,
    category: string,
}

export global KeySelectorBridge {
    in property <[KeyEntry]> all-keys;
    in property <[KeyEntry]> cat-letters;
    in property <[KeyEntry]> cat-numbers;
    in property <[KeyEntry]> cat-modifiers;
    in property <[KeyEntry]> cat-nav;
    in property <[KeyEntry]> cat-function;
    in property <[KeyEntry]> cat-symbols;
    in property <[KeyEntry]> cat-layers;
    in property <[KeyEntry]> cat-special;
    in property <[KeyEntry]> cat-td-macro;
    in-out property <string> search-text: "";
    in-out property <string> hex-input: "";
    in property <string> hex-preview: "";
    callback apply-filter(string);
    callback select-keycode(int);
    callback apply-hex(string);
    callback apply-mt(int, int);
    callback apply-lt(int, int);
    callback preview-hex(string);  // updates hex-preview
}